Urinary-tract infections were once easy to cure. Then they started becoming resistant to antibiotics

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Hank Greely writes, When He Jiankui announced the birth of twin girls whose DNA he had modified … he justified his actions on the ground that he had given the two girls lifetime immunity from HIV infection. … Not only was He ethically wrong in doing this work, but its scientific basis was even weaker than generally recognized.

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Overuse of the medicines is not just a problem in rich countries. Throughout the developing world antibiotics are dispensed with no prescription required

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Three government institutions in China, including the nation’s science ministry, may have funded the “CRISPR babies” study that led to the birth last November of two genetically modified twin girls, according to documents reviewed by STAT

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The edifice of STD control that has stood since World War II is crumbling

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He Jiankui, who claims to have produced the world’s first genetically modified babies, faced critics at a Hong Kong conference. Article includes comments from our Jeffrey Kahn

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And the world snapped to attention. Using YouTube rather than an academic journal, He claimed that with the aid of CRISPR, he had helped create the world’s first babies — twin girls born a few weeks ago — whose genomes had been edited as embryos

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Antibiotic-resistant bacteria that have infected more than 100 people and that have been linked to pet store puppies appear to have spread at least in part because healthy dogs were given antibiotics — a decision that all but surely fostered antibiotic resistance

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